docs: def israw(self, **kwargs):
          """
          Returns True if the PTY should operate in raw mode.
  
          If the container was not started with tty=True, this will return False.
          """
  
          if self.raw is None:
              info = self._container_info()
              self.raw = self.stdout.isatty() and info['Config']['Tty']
  
          return self.raw